BR112012019239A2 - extraction process - Google Patents

extraction process

Info

Publication number
BR112012019239A2
BR112012019239A2 BR112012019239A BR112012019239A BR112012019239A2 BR 112012019239 A2 BR112012019239 A2 BR 112012019239A2 BR 112012019239 A BR112012019239 A BR 112012019239A BR 112012019239 A BR112012019239 A BR 112012019239A BR 112012019239 A2 BR112012019239 A2 BR 112012019239A2
Authority
BR
Brazil
Prior art keywords
extraction
solution
uranium
iron
extraction solution
Prior art date
Application number
BR112012019239A
Other languages
Portuguese (pt)
Other versions
BR112012019239B1 (en
Inventor
Eero Ekman
Stig-Erik Hultholm
Bror Nyman
Erkki Paatero
Original Assignee
Outotec Oyj
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Outotec Oyj filed Critical Outotec Oyj
Publication of BR112012019239A2 publication Critical patent/BR112012019239A2/en
Publication of BR112012019239B1 publication Critical patent/BR112012019239B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
    • C22B3/381—Phosphines, e.g. compounds with the formula PRnH3-n, with n = 0-3
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/40—Mixtures
    • C22B3/408—Mixtures using a mixture of phosphorus-based acid derivatives of different types
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02—Obtaining thorium, uranium, or other actinides
    • C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
    • C22B60/026—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries liquid-liquid extraction with or without dissolution in organic solvents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

processo de extração. a presente invenção está correlacionada a um método para recuperação seletiva de urânio de uma solução de urânio aquosa acídica à base de sulfato, contendo ferro e outros metais, por meio de extração por solvente, em que o agente de extração usado na solução orgânica de extração é bis(2-etil-hrxil) fosfato e um óxido de trialquilfosfina ramificado líquido é o agente modificador. é típico do método que a concentração de urânio na solução de alimentação seja inferior a 50 mg/l e um agente redutor é introduzido dentro da solução aquosa e/ou de extração, para prevenir a oxidação permanente do ferro em ferro trivalente. no presente método, a maior parte da solução de extração é circulada em um circuito que consiste do estágio de estração e de um tanque de armazenamento e apenas uma pequena parte da solução de extração contendo urãnio é enviada para purificação e separação.extraction process. The present invention is correlated to a method for selective uranium recovery of an acidic aqueous sulfate-based uranium solution containing iron and other metals by solvent extraction, wherein the extraction agent used in the organic extraction solution is bis (2-ethylhexyl) phosphate and a liquid branched trialkylphosphine oxide is the modifying agent. It is typical of the method that the uranium concentration in the feed solution is less than 50 mg / l and a reducing agent is introduced into the aqueous and / or extraction solution to prevent permanent oxidation of the iron to trivalent iron. In the present method, most of the extraction solution is circulated in a circuit consisting of the straining stage and a storage tank and only a small part of the uranium-containing extraction solution is sent for purification and separation.

BR112012019239-6A 2010-02-02 2011-01-27 Method for selective uranium recovery BR112012019239B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20100033A FI122274B (en) 2010-02-02 2010-02-02 The extraction process
FI20100033 2010-02-02
PCT/FI2011/050060 WO2011095679A1 (en) 2010-02-02 2011-01-27 Extraction process

Publications (2)

Publication Number Publication Date
BR112012019239A2 true BR112012019239A2 (en) 2017-06-13
BR112012019239B1 BR112012019239B1 (en) 2018-02-14

Family

ID=41727581

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012019239-6A BR112012019239B1 (en) 2010-02-02 2011-01-27 Method for selective uranium recovery

Country Status (14)

Country Link
US (1) US8926924B2 (en)
EP (1) EP2531626B1 (en)
CN (1) CN102741433B (en)
AU (1) AU2011212310B2 (en)
BR (1) BR112012019239B1 (en)
CA (1) CA2787572C (en)
CL (1) CL2012002137A1 (en)
EA (1) EA021530B1 (en)
ES (1) ES2621463T3 (en)
FI (1) FI122274B (en)
MX (1) MX2012008885A (en)
PE (1) PE20130468A1 (en)
WO (1) WO2011095679A1 (en)
ZA (1) ZA201205548B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA024748B1 (en) * 2012-09-13 2016-10-31 БиЭйчПи БИЛЛИТОН ОЛИМПИК ДЭМ КОРПОРЕЙШН РТИ ЛТД. Process for extracting uranium
US9567237B2 (en) 2012-11-16 2017-02-14 Honeywell International Inc. Separation and recovery of molybdenum values from uranium process distillate
CN103146938B (en) * 2013-03-28 2015-02-04 中国科学院长春应用化学研究所 Extraction and separation method of uranium
CN103397184B (en) * 2013-07-31 2014-12-03 南昌航空大学 Method for separating uranium and iron from tertiary amine organic phase by back extraction
CN106834686B (en) * 2015-12-04 2018-07-27 核工业北京地质研究院 Uranium technique is removed in a kind of gallium production procedure
CN111549242A (en) * 2020-04-24 2020-08-18 核工业北京化工冶金研究院 Uranium purification method for alkaline residue leachate
CN111646503B (en) * 2020-07-09 2022-05-17 雅安市鑫辉矿业有限公司 Titanium product preparation process
CN115948665A (en) * 2021-10-08 2023-04-11 中核矿业科技集团有限公司 High-stability uranium purification and extraction method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859094A (en) * 1957-02-07 1958-11-04 John M Schmitt Uranium extraction process using synergistic reagents
US3214239A (en) 1962-07-02 1965-10-26 Kerr Mc Gee Oil Ind Inc Recovery of metal values from aqueous solution by solvent extraction with an organo phosphorus extractant
US4002716A (en) 1973-08-23 1977-01-11 Westinghouse Electric Corporation Sulfide precipitation method of separating uranium from group II and group III metal ions
CA1157278A (en) * 1981-06-11 1983-11-22 William A. Rickelton Solvent extraction process for the recovery of uranium
US4432945A (en) 1981-11-04 1984-02-21 The United States Of America As Represented By The Department Of Energy Removing oxygen from a solvent extractant in an uranium recovery process
US4816241A (en) 1982-02-16 1989-03-28 J. R. Simplot Co. Gaseous reduction of phosphoric acid
US7192563B2 (en) * 2003-03-31 2007-03-20 Secretary, Department Of Atomic Energy, Government Of India Process for recovery of high purity uranium from fertilizer grade weak phosphoric acid

Also Published As

Publication number Publication date
EA021530B1 (en) 2015-07-30
EP2531626A4 (en) 2014-11-19
PE20130468A1 (en) 2013-04-26
EA201290647A1 (en) 2013-03-29
CL2012002137A1 (en) 2012-11-23
AU2011212310A1 (en) 2012-09-20
AU2011212310B2 (en) 2013-10-10
US20120297929A1 (en) 2012-11-29
ES2621463T3 (en) 2017-07-04
CN102741433B (en) 2014-06-04
MX2012008885A (en) 2012-08-31
BR112012019239B1 (en) 2018-02-14
FI20100033A0 (en) 2010-02-02
EP2531626A1 (en) 2012-12-12
FI122274B (en) 2011-11-15
EP2531626B1 (en) 2017-03-08
CA2787572C (en) 2016-05-03
CA2787572A1 (en) 2011-08-11
ZA201205548B (en) 2013-04-24
WO2011095679A1 (en) 2011-08-11
FI20100033A (en) 2011-08-03
US8926924B2 (en) 2015-01-06
CN102741433A (en) 2012-10-17

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 12A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2707 DE 22-11-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.